package org.itheima.mapper;


import org.apache.ibatis.annotations.*;
import org.itheima.pojo.Category;

import java.util.List;

@Mapper
public interface CategoryMapper {
    //新增
    @Insert("insert into category(category_name,category_alias,create_user,create_time,update_time) " +
            "values(#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
    void add(Category category);

    //查询所有
    @Select("select * from category where create_user=#{userId}")
    List<Category> list(Integer userId);

    //根据id查询
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);


    //更新
    @Update("update category set category_name = #{categoryName},category_alias = #{categoryAlias},update_time=#{updateTime} " +
            "where id = #{id}")
    void update(Category category);

    @Delete("delete from category where id = #{id}")
    void delete(Category category);
}
